1 orange, zest only
30g/1oz unrefined golden caster sugar
generous pinch cayenne pepper
½ tsp sea salt flakes, crushed
200g/7oz fine-quality dark chocolate, 70–75% cocoa solids, plus extra to serve
80g/3oz unsalted butter
4 tbsp whipping cream
3 free-range eggs, at room temperature
splash your favourite whisky, brandy, or liqueur